ATE442342T1 - Verfahren zur inhibierung der bildung von kesselstein und ablagerungen auf metalloberflächen, die einem wässrigen system ausgesetzt sind - Google Patents

Verfahren zur inhibierung der bildung von kesselstein und ablagerungen auf metalloberflächen, die einem wässrigen system ausgesetzt sind

Info

Publication number: ATE442342T1
Authority: AT; Austria
Prior art keywords: aqueous system; inhibiting; scale; metal surfaces; formation
Prior art date: 2002-07-18

Application number

AT03748962T

Other languages

English (en)

Inventor

Kostan Charkhutian

Bruce Libutti

Cordt Frank De

John Ruffini

Original Assignee

Ashland Licensing & Intellectu

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2002-07-18

Filing date

2003-07-16

Publication date

2009-09-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30443170&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE442342(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2003-07-16 Application filed by Ashland Licensing & Intellectu filed Critical Ashland Licensing & Intellectu

2009-09-15 Application granted granted Critical

2009-09-15 Publication of ATE442342T1 publication Critical patent/ATE442342T1/de

Links

238000000034 method Methods 0.000 title abstract 4
230000002401 inhibitory effect Effects 0.000 title abstract 3
230000015572 biosynthetic process Effects 0.000 title abstract 2
WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 abstract 2
WDJHALXBUFZDSR-UHFFFAOYSA-N acetoacetic acid Chemical compound CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 abstract 2
235000013922 glutamic acid Nutrition 0.000 abstract 2
239000004220 glutamic acid Substances 0.000 abstract 2
239000002184 metal Substances 0.000 abstract 2
150000003839 salts Chemical class 0.000 abstract 2
239000002738 chelating agent Substances 0.000 abstract 1
238000001816 cooling Methods 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
- C02F5/125—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
- C02F5/025—Hot-water softening devices
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)
Chemical Treatment Of Metals (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

AT03748962T 2002-07-18 2003-07-16 Verfahren zur inhibierung der bildung von kesselstein und ablagerungen auf metalloberflächen, die einem wässrigen system ausgesetzt sind ATE442342T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US10/198,781 US6797177B2 (en)	2002-07-18	2002-07-18	Process for inhibiting scale and fouling on the metal surfaces exposed to an aqeuous system
PCT/US2003/022693 WO2004013055A1 (en)	2002-07-18	2003-07-16	Process for inhibiting scale and fouling on the metal surfaces exposed to an aqueous system

Publications (1)

Publication Number	Publication Date
ATE442342T1 true ATE442342T1 (de)	2009-09-15

Family

ID=30443170

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT03748962T ATE442342T1 (de)	2002-07-18	2003-07-16	Verfahren zur inhibierung der bildung von kesselstein und ablagerungen auf metalloberflächen, die einem wässrigen system ausgesetzt sind

Country Status (7)

Country	Link
US (1)	US6797177B2 (de)
EP (1)	EP1542933B1 (de)
AT (1)	ATE442342T1 (de)
AU (1)	AU2003268011A1 (de)
DE (1)	DE60329195D1 (de)
DK (1)	DK1542933T3 (de)
WO (1)	WO2004013055A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2476475C2 (ru)	2008-01-09	2013-02-27	Акцо Нобель Н.В.	Кислотный водный раствор, содержащий хелатирующий агент, и его применение
US20110001083A1 (en) *	2009-07-02	2011-01-06	Clearwater International, Llc	Environmentally benign water scale inhibitor compositions and method for making and using same
PH12013502488A1 (en)	2011-06-13	2014-01-20	Akzo Nobel Chemicals Int Bv	Improved corrosion resistance when using chelating agents in chromium-containing equipment

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4454046A (en) *	1982-09-07	1984-06-12	The Dow Chemical Company	Boiler scale prevention employing an organic chelant
US4721532A (en) *	1985-08-05	1988-01-26	W. R. Grace & Co.	Removal of iron fouling in cooling water systems
JP2608550B2 (ja) *	1986-10-17	1997-05-07	株式会社片山化学工業研究所	軟水ボイラの防食処理方法
US5242599A (en) *	1992-02-07	1993-09-07	Betz Laboratories, Inc.	Polymers for the treatment of boiler water
US5527468A (en) *	1994-12-20	1996-06-18	Betz Laboratories, Inc.	Nonionic polymers for the treatment of boiler water
ATE262575T1 (de)	1997-03-12	2004-04-15	Showa Denko Kk	Reinigungsmittel
EP0892040B1 (de) *	1997-07-16	2003-03-05	Nippon Shokubai Co., Ltd.	Verwendung von Chelat bildenden Zusammensetzungen zum Reinigen
US6013612A (en)	1997-10-22	2000-01-11	Showa Denko K.K.	Cleaning agent composition
US6034046A (en) *	1999-03-26	2000-03-07	Colgate Palmolive Company	All purpose liquid bathroom cleaning compositions
US6096701A (en) *	1999-06-29	2000-08-01	Colgate Palmolive Company	Antimicrobial multi purpose containing a cationic surfactant
AU2001293306B2 (en) *	2000-09-29	2006-08-10	Newmont Usa Limited	Method and apparatus for chemical processing
US6362148B1 (en) *	2001-09-06	2002-03-26	Colgate-Palmolive Co.	Anti-lime scale cleaning composition comprising polyoxyethylene oxide polycarboxylic acid copolymer

2002
- 2002-07-18 US US10/198,781 patent/US6797177B2/en not_active Expired - Lifetime
2003
- 2003-07-16 EP EP03748962A patent/EP1542933B1/de not_active Revoked
- 2003-07-16 AU AU2003268011A patent/AU2003268011A1/en not_active Abandoned
- 2003-07-16 WO PCT/US2003/022693 patent/WO2004013055A1/en not_active Ceased
- 2003-07-16 DE DE60329195T patent/DE60329195D1/de not_active Expired - Lifetime
- 2003-07-16 AT AT03748962T patent/ATE442342T1/de active
- 2003-07-16 DK DK03748962T patent/DK1542933T3/da active

Also Published As

Publication number	Publication date
DK1542933T3 (da)	2009-11-02
EP1542933B1 (de)	2009-09-09
US20040011743A1 (en)	2004-01-22
EP1542933A4 (de)	2005-10-05
US6797177B2 (en)	2004-09-28
DE60329195D1 (de)	2009-10-22
WO2004013055A1 (en)	2004-02-12
EP1542933A1 (de)	2005-06-22
AU2003268011A1 (en)	2004-02-23

Legal Events

Date

Code

Title

Description

2010-04-15

UEP

Publication of translation of european patent specification

Ref document number: 1542933

Country of ref document: EP

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